Summary
A procedure of finding finite transformations generated by a linear arbitrary-order differential operator is presented. Dirac equation is shown to be Galilei invariant with the nonlocal law of transformation of the Ψ-function.
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Fushchich, W.I., Shtelen, W.M. On nonlocal transformations. Lett. Nuovo Cimento 44, 40–42 (1985). https://doi.org/10.1007/BF02746949
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DOI: https://doi.org/10.1007/BF02746949